Search a number
-
+
12351013 = 291133769
BaseRepresentation
bin101111000111…
…011000100101
3212020111101221
4233013120211
511130213023
61120420341
7206660533
oct57073045
925214357
1012351013
116a76554
1241776b1
1327359bc
1418d7153
15113e85d
hexbc7625

12351013 has 8 divisors (see below), whose sum is σ = 12893400. Its totient is φ = 11816448.

The previous prime is 12351011. The next prime is 12351029. The reversal of 12351013 is 31015321.

It can be written as a sum of positive squares in 4 ways, for example, as 804609 + 11546404 = 897^2 + 3398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12351013 - 21 = 12351011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (1611675).

Almost surely, 212351013 is an apocalyptic number.

It is an amenable number.

12351013 is a deficient number, since it is larger than the sum of its proper divisors (542387).

12351013 is a wasteful number, since it uses less digits than its factorization.

12351013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 12351013 is about 3514.4008024128. The cubic root of 12351013 is about 231.1537054153.

Adding to 12351013 its reverse (31015321), we get a palindrome (43366334).

The spelling of 12351013 in words is "twelve million, three hundred fifty-one thousand, thirteen".

Divisors: 1 29 113 3277 3769 109301 425897 12351013